Computer Science – Performance
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ffat.meet.....j&link_type=abstract
American Institute of Aeronautics and Astronautics, Annual Meeting and Technical Display Incorporating the Forum on the Future o
Computer Science
Performance
Hubble Space Telescope, Optical Properties, Spaceborne Astronomy, Astronomical Observatories, Feedback Control, Image Enhancement, Image Motion Compensation, Performance Prediction, Space Shuttles, Spectral Resolution
Scientific paper
A large astronomical telescope, termed the Space Telescope, is expected to be placed in orbit in the early 1980's. It will be operated as an international observatory that will enable astronomers to detect electromagnetic radiation over a much broader spectrum than is possible from ground observatories. The image quality (not degraded by atmospheric effects) will be limited only by the quality of the optics and by aperture diffraction. This opportunity to approach diffraction-limited imagery on an astronomical telescope of this size (2.4-m aperture) sets unusually stringent tolerances on the optical quality. The budgeting and control of these qualities throughout the design, fabrication, assembly, and operation of the Space Telescope is described. A feedback control system which will maintain the telescope at peak performance in the orbital environment is examined.
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